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    <title>Document</title>
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<body>
    <script>
        let name='小明'
        let age=18

        console.log(name+age+'岁了')

        person='jack'
        const pi=3.14

        const dog={
            name:'柯基',
            color:'橘黄色',
            food:['骨头','狗粮']
        }
        console.log(dog)
        // 修改了地址对应的color属性的值
        dog.color='蓝白色'
        console.log(dog)
    </script>
    
</body>
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